Scientists from Norway and Australia who tried using very cold water to remove lice from salmon saw a positive effect in combatting the parasite but a negative effect on animal welfare.

Chilean researchers have created a vaccine against sea lice that, in laboratory tests, has shown promising results, reducing the volume of lice by 97%.

The Department of Fisheries and Oceans (DFO) held an outreach event at a Marine Harvest salmon farm on the west coast of British Columbia.

A Canadian scientist has updated Scottish fish health professionals on continuing efforts to unlock the lice-resistance secrets of coho salmon in the hope of transferring the ability to Atlantic salmon.

The scientist leading a study that has provided the first evidence of the evolution of infectious salmon anaemia (ISA) from a non-virulent to a virulent strain has warned of the dangers of rarely-cleaned RAS biofilters at smolt farms.

The Scottish Environment Protection Agency (Sepa) is investigating trout producer Dawnfresh after one of its sites in the West Highlands breached rules on the use of a drug to control sea lice.

The first day of the International Sea Lice Conference, which kicked off in the Irish town of Wesport this week, included 19 scientific talks and countless poster presentations showcasing the latest developments in sea lice research.

According to a recent paper, the BC “sea lice epidemic” of 2015 was due, in part, to uncoordinated management of farms. However, a careful analysis of the data reveals management is not amiss, but environmental conditions conducive to increased parasite growth rate and reproductive output, combined with healthy wild populations of lice, are the culprit.

Chile had six salmon farming sites with lice numbers above the government threshold of three or more ovigerous females per fish, in the 52nd week of 2015.